SOLUTION: Mary purchased a package of 9 different plants, but she only needed 6 plants for planting. In how many ways can she select the 6 plants from the package to be planted?
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Question 423364: Mary purchased a package of 9 different plants, but she only needed 6 plants for planting. In how many ways can she select the 6 plants from the package to be planted?
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!
no. of ways to select 6 plants out of 9 = 9C6 = 84
no. of ways to arrange 6 plants out of 9 = 9P6 = 60480
(just for explain the difference between selection and arrangement)
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